who does cish to be happy?

who doesn't wish to be happy?

whoever doesn't wish to be happy?

who wishes to be happy?

Where has he seen by you

where was he seen by you?

where did he seen by you?

where had he seen by you?

when the examination began

then the examination began

when the examinatio begins

then the examination

of

from

for

by

claimed

denied

insisted

said falsely